<template>
  <div id="root">
    <div class="todo-container">
    <div class="todo-wrap">
      <MyHeader :addToDo="addToDo" />
      <MyList  :todos="todos" :checkTodo="checkeTodo" :deleteTodo="deleteTodo"/>
      <MyFooter :todos="todos" :checkAllTodo="checkAllTodo"/>
    </div>
    </div>
  </div>
</template>

<script>
import MyHeader from "./components/MyHeader.vue" ;
import MyItem from "@/components/MyItem.vue";
import MyList from "@/components/MyList.vue";
import MyFooter from "@/components/MyFooter.vue";
export default {
  name: 'App',
  components: {
    // eslint-disable-next-line vue/no-unused-components
    MyHeader,
    // eslint-disable-next-line vue/no-unused-components
    MyList,
    // eslint-disable-next-line vue/no-unused-components
    MyItem,
    // eslint-disable-next-line vue/no-unused-components
    MyFooter,

  },
  data(){
    return{
      todos:[
        {id:"001",title:"aaa",done:true},
        {id:"002",title:"bbb",done:true},
        {id:"003",title:"ccc",done:false},
        {id:"004",title:"ddd",done:true},
      ]
    }
  },
  methods:{
    addToDo(todoObj){
      this.todos.unshift(todoObj);
    },
    //勾选of取消勾选一个todo
    checkeTodo(id){
      this.todos.forEach((todo)=>{
            if(todo.id == id) todo.done = !todo.done
          }
      )},
    //删除一个todo
    deleteTodo(id){
      this.todos = this.todos.filter((todo) =>{
        return todo.id !== id;
      })
    },
    //全选or全不选
    checkAllTodo(done){
      this.todos.forEach((todo)=>{
        todo.done = done;
      })
    }
  }
}
</script>

<style>
/*base*/
body {
  background: #fff;
}

.btn {
  display: inline-block;
  padding: 4px 12px;
  margin-bottom: 0;
  font-size: 14px;
  line-height: 20px;
  text-align: center;
  vertical-align: middle;
  cursor: pointer;
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.2), 0 1px 2px rgba(0, 0, 0, 0.05);
  border-radius: 4px;
}

.btn-danger {
  color: #fff;
  background-color: #da4f49;
  border: 1px solid #bd362f;
}

.btn-danger:hover {
  color: #fff;
  background-color: #bd362f;
}

.btn:focus {
  outline: none;
}

.todo-container {
  width: 600px;
  margin: 0 auto;
}
.todo-container .todo-wrap {
  padding: 10px;
  border: 1px solid #ddd;
  border-radius: 5px;
}

</style>
